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    SubjectRe: drastically low perform. - quad, 4G ram, 2.4.20
    Can you send out the boot log?

    Slow on memory ops, or just disk?

    M.

    --On Tuesday, March 11, 2003 07:51:50 -0800 Mailing Lists <thelittleprince-lists@asteroid-b612.org> wrote:

    >
    > Have a RH 7.3 system , supermicro mobo (SUPER S2QE6 (MBD-S2QE6-U)) with
    > quad P3 xeon 700s and 4G ram. Under 2.4.20,
    > system performance is dractically low. However, telling the kernel to only
    > use 3G of memory (mem= on the boot line) causes system to behave at a
    > normal performance level for the platform.
    > As a reference, a compile of the db-4.1.25 package under the normal 4G of
    > ram, took 1hr50m. Under 3G of ram, 4m28s
    > System used to run suse 7 with 2.4.4 with 4G without problems
    >
    > 2.4.20 kernel config
    >
    > CONFIG_X86=y
    > CONFIG_UID16=y
    > CONFIG_MODULES=y
    > CONFIG_MODVERSIONS=y
    > CONFIG_KMOD=y
    > CONFIG_MPENTIUMIII=y
    > CONFIG_X86_WP_WORKS_OK=y
    > CONFIG_X86_INVLPG=y
    > CONFIG_X86_CMPXCHG=y
    > CONFIG_X86_XADD=y
    > CONFIG_X86_BSWAP=y
    > CONFIG_X86_POPAD_OK=y
    > CONFIG_RWSEM_XCHGADD_ALGORITHM=y
    > CONFIG_X86_L1_CACHE_SHIFT=5
    > CONFIG_X86_HAS_TSC=y
    > CONFIG_X86_GOOD_APIC=y
    > CONFIG_X86_PGE=y
    > CONFIG_X86_USE_PPRO_CHECKSUM=y
    > CONFIG_X86_F00F_WORKS_OK=y
    > CONFIG_X86_MCE=y
    > CONFIG_MICROCODE=y
    > CONFIG_X86_MSR=y
    > CONFIG_X86_CPUID=y
    > CONFIG_HIGHMEM4G=y
    > CONFIG_HIGHMEM=y
    > CONFIG_HIGHIO=y
    > CONFIG_MTRR=y
    > CONFIG_SMP=y
    > CONFIG_X86_TSC=y
    > CONFIG_HAVE_DEC_LOCK=y
    > CONFIG_NET=y
    > CONFIG_X86_IO_APIC=y
    > CONFIG_X86_LOCAL_APIC=y
    > CONFIG_PCI=y
    > CONFIG_PCI_GOANY=y
    > CONFIG_PCI_BIOS=y
    > CONFIG_PCI_DIRECT=y
    > CONFIG_ISA=y
    > CONFIG_PCI_NAMES=y
    > CONFIG_HOTPLUG=y
    > CONFIG_SYSVIPC=y
    > CONFIG_BSD_PROCESS_ACCT=y
    > CONFIG_SYSCTL=y
    > CONFIG_KCORE_ELF=y
    > CONFIG_BINFMT_AOUT=y
    > CONFIG_BINFMT_ELF=y
    > CONFIG_BINFMT_MISC=y
    > CONFIG_BLK_DEV_FD=y
    > CONFIG_BLK_DEV_LOOP=y
    > CONFIG_BLK_DEV_NBD=y
    > CONFIG_BLK_STATS=y
    > CONFIG_PACKET=y
    > CONFIG_PACKET_MMAP=y
    > CONFIG_UNIX=y
    > CONFIG_INET=y
    > CONFIG_IP_MULTICAST=y
    > CONFIG_IDE=y
    > CONFIG_BLK_DEV_IDE=y
    > CONFIG_BLK_DEV_IDEDISK=y
    > CONFIG_IDEDISK_MULTI_MODE=y
    > CONFIG_BLK_DEV_IDECD=y
    > CONFIG_BLK_DEV_IDEPCI=y
    > CONFIG_IDEPCI_SHARE_IRQ=y
    > CONFIG_BLK_DEV_IDEDMA_PCI=y
    > CONFIG_IDEDMA_PCI_AUTO=y
    > CONFIG_BLK_DEV_IDEDMA=y
    > CONFIG_BLK_DEV_ADMA=y
    > CONFIG_BLK_DEV_SVWKS=y
    > CONFIG_IDEDMA_AUTO=y
    > CONFIG_BLK_DEV_IDE_MODES=y
    > CONFIG_SCSI=y
    > CONFIG_BLK_DEV_SD=y
    > CONFIG_SD_EXTRA_DEVS=40
    > CONFIG_CHR_DEV_ST=y
    > CONFIG_CHR_DEV_OSST=y
    > CONFIG_BLK_DEV_SR=y
    > CONFIG_SR_EXTRA_DEVS=2
    > CONFIG_CHR_DEV_SG=y
    > CONFIG_SCSI_DEBUG_QUEUES=y
    > CONFIG_SCSI_MULTI_LUN=y
    > CONFIG_SCSI_CONSTANTS=y
    > CONFIG_SCSI_AIC7XXX=y
    > CONFIG_AIC7XXX_CMDS_PER_DEVICE=253
    > CONFIG_AIC7XXX_RESET_DELAY_MS=15000
    > CONFIG_SCSI_MEGARAID=y
    > CONFIG_NETDEVICES=y
    > CONFIG_DUMMY=m
    > CONFIG_NET_ETHERNET=y
    > CONFIG_NET_PCI=y
    > CONFIG_EEPRO100=y
    > CONFIG_VT=y
    > CONFIG_VT_CONSOLE=y
    > CONFIG_SERIAL=y
    > CONFIG_UNIX98_PTYS=y
    > CONFIG_UNIX98_PTY_COUNT=256
    > CONFIG_MOUSE=y
    > CONFIG_PSMOUSE=y
    > CONFIG_RTC=y
    > CONFIG_AUTOFS4_FS=y
    > CONFIG_REISERFS_FS=y
    > CONFIG_REISERFS_PROC_INFO=y
    > CONFIG_EXT3_FS=y
    > CONFIG_JBD=y
    > CONFIG_FAT_FS=y
    > CONFIG_MSDOS_FS=y
    > CONFIG_VFAT_FS=y
    > CONFIG_TMPFS=y
    > CONFIG_RAMFS=y
    > CONFIG_ISO9660_FS=y
    > CONFIG_JOLIET=y
    > CONFIG_ZISOFS=y
    > CONFIG_PROC_FS=y
    > CONFIG_DEVPTS_FS=y
    > CONFIG_EXT2_FS=y
    > CONFIG_NFS_FS=y
    > CONFIG_NFS_V3=y
    > CONFIG_NFSD=y
    > CONFIG_NFSD_V3=y
    > CONFIG_SUNRPC=y
    > CONFIG_LOCKD=y
    > CONFIG_LOCKD_V4=y
    > CONFIG_ZISOFS_FS=y
    > CONFIG_MSDOS_PARTITION=y
    > CONFIG_NLS=y
    > CONFIG_NLS_DEFAULT="iso8859-1"
    > CONFIG_VGA_CONSOLE=y
    > CONFIG_DEBUG_KERNEL=y
    > CONFIG_MAGIC_SYSRQ=y
    > CONFIG_ZLIB_INFLATE=y
    >
    >
    > Thanx,
    >
    > --Tony
    >
    >
    > -
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    >


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